MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Strength Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Highest value of stress for which Hooke’s law is applicable for a given material is called ____________ |
| A. | Stress limit |
| B. | Strain limit |
| C. | Proportional limit |
| D. | Significant limit |
| Answer» D. Significant limit | |
| 2. |
Where in the stress-strain curve, the hooke’s law is valid? |
| A. | Strain hardening region |
| B. | Necking region |
| C. | Elastic range |
| D. | Valid everywhere |
| Answer» D. Valid everywhere | |
| 3. |
The stress at which extension of a material takes place more quickly as compared to the increase in load is called ____________ |
| A. | Elastic point |
| B. | Plastic point |
| C. | Breaking point |
| D. | Yielding point |
| Answer» E. | |
| 4. |
Limit of proportionality depends upon ____________ |
| A. | Area of cross-section |
| B. | Type of loading |
| C. | Type of material |
| D. | All of the mentioned |
| Answer» B. Type of loading | |
| 5. |
What is Hooke’s law for the 1-D system? |
| A. | The relation between normal stress and the corresponding strain |
| B. | The relation between shear stress and the corresponding strain |
| C. | The relation between lateral strain and the corresponding stress |
| D. | None of the mentioned |
| Answer» B. The relation between shear stress and the corresponding strain | |
| 6. |
For an isotropic, homogeneous and elastic material obeying Hooke’s law, the number of independent elastic constants is ____________ |
| A. | 2 |
| B. | 3 |
| C. | 9 |
| D. | 1 |
| Answer» C. 9 | |
| 7. |
The law which states that within elastic limits strain produced is proportional to the stress producing it is known as _____________ |
| A. | Bernoulli’s law |
| B. | Hooke’s law |
| C. | Stress law |
| D. | Poisson’s law |
| Answer» C. Stress law | |
| 8. |
All materials follow hooke’s law in its initial stages. True or False? |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Hooke’s law is an empirical law. True or False? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Hooke’s law states that _________ |
| A. | stress is always proportional to strain |
| B. | stress is proportional to strain before ultimate tensile strength |
| C. | stress is proportional to strain under elastic limit |
| D. | stress and strain are never directly proportional |
| Answer» D. stress and strain are never directly proportional | |
| 11. |
HIGHEST_VALUE_OF_STRESS_FOR_WHICH_HOOKE‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_LAW_IS_APPLICABLE_FOR_GIVEN_MATERIAL_IS_CALLED?$# |
| A. | Stress limit |
| B. | Strain limit |
| C. | Proportional limit |
| D. | Significant limit |
| Answer» D. Significant limit | |
| 12. |
Where in the stress-strain curve, the hooke’s law is valid?# |
| A. | Strain hardening region |
| B. | Necking region |
| C. | Elastic range |
| D. | Valid everywhere |
| Answer» D. Valid everywhere | |
| 13. |
Which of these is a non-hoookean material? |
| A. | Steel |
| B. | Rubber |
| C. | Aluminium |
| D. | Copper |
| Answer» C. Aluminium | |
| 14. |
Limit of proportionality depends upon |
| A. | Area of cross-section |
| B. | Type of loading |
| C. | Type of material |
| D. | All of the mentioned |
| Answer» B. Type of loading | |
| 15. |
What is Hooke’s law for 1-D system?$ |
| A. | The relation between normal stress and corresponding strain |
| B. | The relation between shear stress and corresponding strain |
| C. | The relation between lateral strain and corresponding stress |
| D. | None of the mentioned |
| Answer» B. The relation between shear stress and corresponding strain | |
| 16. |
What is the factor of safety? |
| A. | The ratio of stress to strain |
| B. | The raio of permissible stress to the ultimate stress |
| C. | The ratio of ultimate stress to the permissible stress |
| D. | The ratio of lonitudinal strain to stress |
| Answer» D. The ratio of lonitudinal strain to stress | |
| 17. |
For an isotropic, homogeneous and elastic material obeying Hooke’s law, number of independent elastic constants is$ |
| A. | 2 |
| B. | 3 |
| C. | 9 |
| D. | 1 |
| Answer» C. 9 | |
| 18. |
The law which states that within elastic limits strain produced is proportional to the stress producing it is known as |
| A. | Bernoulli’s law |
| B. | Hooke’s law |
| C. | Stress law |
| D. | Poisson’s law |
| Answer» C. Stress law | |